<?php

 class TierCost {
    private $tier;
    private $cost;

    /**
     * @param tier the tier number specified in thousands. The cost is for all values up-to this tier, typically this
     *             is inclusive but that is usage dependent.
     * @param cost the cost per thousand specified in dollars and cents, i.e. $2.78
     */
    public function TierCost($tier, $cost) {
        $this->tier = $tier;
        $this->cost = $cost;
    }

    /**
     * the tier number specified in thousands. The cost is for all values up-to this tier, typically this
     * is inclusive but that is usage dependent.
     *
     * @return
     */
    public function  getTier() {
        return $this->tier;
    }

    /**
     * the cost per thousand specified in dollars and cents, i.e. $2.78
     *
     * @return
     */
    public function  getCost() {
        return $this->cost;
    }
}

?>
